Easy Electronics xLogic Micro PLC - Page 120

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Parameter
Theoff-delaytimeT,thepre-warningtimeT!andthepre-warningperiodT!Lcanbeprovidedbythe
actualvalueofanotheralready-programmedfunction:
Analogcomparator:Ax – Ay
Analogtrigger:Ax
Analogamplifier:Ax
Analogmultiplexer:AQ
Analogramp:AQ
Analogmath:AQ
PIcontroller:AQ
Datalatchingrelay:AQ
Up/Downcounter:Cnt
Thevalueof ＂Ｔ＂canbeset/modifiedinparametermode.Forinformationabouthowtomodify,refer
tochapter5.2.2please.
Timingdiagram
Changingthetimebase
Youcanchangethepre-warningtimebaseandtheperiod.
T
!
Determinesthetriggeringtimeforthepre-warning.
T
!L
determinesthelengthofthepre-warningtime.
Retentivity set(on)=thestatusisretentiveinmemory.
Output Q QisresetafterthetimeThasexpired.Awarningsignalcan
beoutputbeforethistimehasexpired.